20157+0440 A   386

 
 
20h 15m 42.41s +04 39' 42.6" P.A. 83.00 sep 2.8 mag 8.90,11.98 Sp F2 dist. 105.37 pc (343.72 l.y.)
 
 
Coord 2000
20157+0440
Discov num
A   386
Comp
Coord arcsec 2000
20 15 42.41 +04 39 42.6
Date first
1902
Date last
2000
Obs
8
Pa first
91
Pa last
83
P.A. Now (θ)
83°
Sep first
2.4
Sep last
2.8
Sep. Now (ρ)
2.8"
Mag pri
8.90
Mag sec
11.98
delta mag (ΔM)
3.08
Spectral class
F2 (yellow-white)
Pri motion ra
-009
Sec motion ra
+003
Pri motion dec
-001
Sec motion dec
-015
Notes
rPM=1.205
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.7
Precise sep
2.814
Constellation
Aquila
HIP
99867
Tycho2
0504-02198-1
Gaia DR2
91989395584
HD
192624
BD
BD+04 4393
Distance
105.37
Distance ly
343.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+0440 A 386 1991 7 83 2.8 8.90 11.98 F2 201542.41+043942.6
20157+0440 A 386 2000 8 83 2.8 8.90 11.98 F2 201542.41+043942.6

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